Part Pin to Pin Compatibility Function Features Package PDF
IL2533N AS2533

Multi-Standart CMOS Single Chip Telephone IC with Dual Soft Clipping

  • Line/speech circuit, LD/MF repertory dialler and tone ringer on one 28 pin CMOS chip
  • Operating range from 13 to 100 mA (down to 5mA with reduced performance)
  • Soft clipping to avoid harsh distortion
  • Volume control of receive signal
  • Line loss compensation selectable by pin option
  • Low noise (max. - 72 dBmp)
  • Real or complex impedance
  • NET 4 compatible.
  • LD/MF switchable dialling
  • Pacifier tone during programming
  • 31 digit last number redial
  • Sliding cursor protocol with comparison
  • Pause key for access pause or wait function
  • 3 flash keys, 100 ms, 280 ms and 375/600 ms
  • On chip MF filter (CEPT CS 203 compatible)
  • Ring frequency discrimination
  • 3-tone melody generator
  • Oscillator Frequency (Resonator: Murata CSA 3.58MG312AM)-3.58MHz
  • 4х4…4х8 Keyboard

DIP-28

IL2533DW AS2533

Multi-Standart CMOS Single Chip Telephone IC with Dual Soft Clipping

  • Line/speech circuit, LD/MF repertory dialler and tone ringer on one 28 pin CMOS chip
  • Operating range from 13 to 100 mA (down to 5mA with reduced performance)
  • Soft clipping to avoid harsh distortion
  • Volume control of receive signal
  • Line loss compensation selectable by pin option
  • Low noise (max. - 72 dBmp)
  • Real or complex impedance
  • NET 4 compatible.
  • LD/MF switchable dialling
  • Pacifier tone during programming
  • 31 digit last number redial
  • Sliding cursor protocol with comparison
  • Pause key for access pause or wait function
  • 3 flash keys, 100 ms, 280 ms and 375/600 ms
  • On chip MF filter (CEPT CS 203 compatible)
  • Ring frequency discrimination
  • 3-tone melody generator
  • Oscillator Frequency (Resonator: Murata CSA 3.58MG312AM)-3.58MHz
  • 4х4…4х8 Keyboard

SO-28